Definition, Meaning & Synonyms
heptad
noun
/ˈhɛp.tæd/

Definition
A group or set of seven.

Examples
- The heptad of colors in a rainbow includes red, orange, yellow, green, blue, indigo, and violet.
- In the study of biochemistry, a heptad repeat may refer to a sequence of seven amino acids.

Meaning
The term ‘heptad’ is often used to describe a collection of seven units or items that are considered as a single entity.

Synonyms
- Septet
- Group of seven